XLSB file: How to open? The best software for opening xlsb files

XLSB

Microsoft Excel binary workbook

File type: Microsoft Office file, Spreadsheet and workbook file

Files with xlsb extension is used by Microsoft Excel spreadsheet editor distributed with the Microsoft Office. An xlsb file contains Excel workbook stored in a binary file format (BIFF12). The BIFF12 binary format is used for data that can not be stored in the Open XML text format.

What is xlsb file?

File type category:
Microsoft Office file
Spreadsheet and workbook file

Date updated: January 3, 2025

The xlsb file extension is associated with Microsoft Excel, one of the most popular and powerful tool you can use to create format spreadsheets, graphs and much more.

The xlsb files are used in Microsoft Excel 2007, 2010, 2013 and 2016 for Workbooks, spreadsheet document files saved in the binary format (BIFF12), instead of the new Open XML xlsx.

The basic purpose of both files is the same, however the *.xlsb files are a little larger and operate more efficiently in Microsoft Excel.

MIME type used for .xlsb file type:
application/vnd.ms-excel.sheet.binary.macroEnabled.12

How to open xlsb file?

You can open the *.xlsb files in Microsoft Excel or any other application with support of this format, such as OpenOffice.org, StarOffice or Ashampoo Office.

How to convert xlsb file?

Microsoft Office Excel also supports other spreadsheet formats. You can save a *.xlsb file into another format with the save as function. You can probably convert the *.xlsb in other suitable applications, which can handle the files, as well.

Suggested software to open xlsb file:

Associated software actions with the xlsb file

XLSB

What is xlsb file?

How to open xlsb file?

How to convert xlsb file?

Suggested software to open xlsb file:

Associated software actions with the xlsb file

Articles about xlsb files

File types supported in Microsoft Excel 2010

Convert .xlsb files

Related file extensions